diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index b235cdf1..85d20c0f 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -1756,6 +1756,8 @@ export class ViewportHost {
     ) {
       this.rebuildPathJunctionMarkers(this.currentDocument, selection);
     }
+
+    this.syncTerrainGridResizeOverlay();
   }
 
   updateDocument(document: SceneDocument) {